sir/mam i request u to plz answer this question as soon as possible

Asked by  | 28th Jul, 2008, 01:53: PM

Expert Answer:

use the formula v2=u2+2as , put the value v=0 ,u=126km/hr( convert to m/sec than put in the formula) ,s=200 this will give you retardation

now use the formula s=ut + at2/2 , put the values of s,u,a and solve the equation to find time.

Answered by  | 28th Jul, 2008, 08:50: PM

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